Home / 19,933.38-29,901.51-8,081.46

Finding the Fourth Proportional to 19,933.38, 29,901.51 and 8,081.46

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Solution

The fourth proportional to 19,933.38, 29,901.51 and 8,081.46 is: 12,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.38 : 29,901.51 = 8,081.46 : x
  2. Step 2: Convert to fraction form
    19,933.38/29,901.51 = 8,081.46/x
  3. Step 3: Cross multiply
    19,933.38x = 29,901.51 × 8,081.46
  4. Step 4: Simplify right side
    19,933.38x = 241,647,857.00
  5. Step 5: Solve for x
    x = 241,647,857.00/19,933.38
  6. Step 6: Final answer
    x = 12,122.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.